Table 2.
Monocular vs. binocular analysis.
| N = 17 | Monocular Mean ± SD | Binocular Mean ± SD | p (t-test) | Monocular Median [range] | Binocular Median [range] | p (Wilcoxon) | |
|---|---|---|---|---|---|---|---|
| Early Perifoveal Vision | Latency (ms) | 165 ± 11 | 152 ± 11 | < 0.0001 | 164 [144–182] | 150 [132–176] | < 0.0001 |
| Acceleration (deg/s2) | 117 ± 18 | 124 ± 16 | 0.0244* | 116 [82–148.5] | 124 [86–152] | 0.0149 | |
| Late Foveal Vision | Gain | 0.87 ± 0.08 | 0.86 ± 0.10 | 0.3405 | 0.90 [0.71–0.99] | 0.86 [0.61–0.97] | 0.3220 |
| Visual Motion Precision | Direction Noise (◦) | 9.5 ± 2.6 | 8.8 ± 3.2 | 0.0509 | 9.1 [5.6–14.3] | 7.8 [5.0–15.5] | 0.0389 |
| Speed Noise (%) | 15.6 ± 2.7 | 15.3 ± 3.3 | 0.3233 | 15.4 [10.9–20.2] | 15.1 [10.5–24.1] | 0.2698 | |
| Visual Motion Accuracy | Direction Anisotropy | 0.26 ± 0.11 | 0.35 ± 0.15 | 0.0676 | 0.24 [0.06–0.46] | 0.35 [0.00–0.61] | 0.106 |
| Direction Asymmetry | 0.05 ± 0.13 | 0.12 ± 0.14 | 0.0692 | 0.05 (−0.22–0.32) | 0.13 [−0.14–0.38] | 0.0485 | |
| Speed Responsiveness | 0.53 ± 0.25 | 0.55 ± 0.22 | 0.2739 | 0.52 [0.18–0.93] | 0.59 [0.12–0.88] | 0.3777 | |
| Subcortical Vision | Saccade Rate (Hz) | 3.49 ± 0.73 | 3.06 ± 0.83 | 0.0010 | 3.51 [2.26–4.72] | 3.23 [1.63–4.38] | 0.0015 |
| Saccade Amplitude (deg) | 1.48 ± 0.48 | 1.27 ± 0.40 | 0.0015 | 1.50 [0.84–2.39] | 1.15 [0.79–2.27] | 0.0013 | |
| Saccade Dispersion (◦) | 16.8 ± 7.1 | 16.0 ± 7.5 | 0.4422 | 15.7 [10.1–41.4] | 14.1 [8.3–38.8] | 0.3683 | |
| Proportion Smooth | 0.78 ± 0.05 | 0.82 ± 0.08 | 0.0038* | 0.76 [0.71–0.91] | 0.79 [0.76–1.00] | 0.0020 | |
| Pupillary Response | Contraction τ (ms) | 178 ± 22 | 162 ± 25 | 0.0398* | 176 [147–221] | 156 [127–222] | 0.0314 |
| Dilation τ (ms) | 924 ± 439 | 677 ± 286 | 0.0330* | 756 [485–2028] | 588 [309–1,363] | 0.0135 | |
| Pupil Diameter (mm) | 3.4 ± 0.4 | 2.9 ± 0.3 | 0.0012 | 3.3 [2.7–3.8] | 2.9 [2.3–3.5] | 0.0010 | |
| Brainstem Saccade Generator | Main Sequence Slope (Hz) |
43.8 ± 8.9 | 39.2 ± 7.6 | 0.0116 | 45.0 [28.1–59.7] | 40.7 [24.9–50.7] | 0.0194 |
| Main Sequence Intercept (deg/s) |
29.0 ± 10.2 | 31.9 ± 11.6 | 0.2866 | 29.9 [12.7–44.5] | 32.2 [9.9–60.8] | 0.3060 | |
| Localization | Fixation Error (deg) | 0.57 ± 0.16 | 0.59 ± 0.40 | 0.7845 | 0.51 [0.36–0.89] | 0.55 [0.18–1.88] | 0.5394 |
This table shows the means and standard deviations as well as the medians and ranges across subjects of our 18 oculometric measures under monocular and binocular viewing along with parametric (t-test) and non-parametric (Wilcoxon test) comparisons. p-values with an asterisk indicate t-tests for which the normality criterion was not met. Bolded p-values indicate significant effects (p < 0.05).